Using the following equation: 3H2SO4 + 2Fe - +Fe2(SO4)3 + 3H2 How many moles of H2SO4 will react with 8 moles of Fe?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Stage in which a star’s outer layers have started to cool and grow outward?